"Hey, you bugs!"

Kickback wanders over to you. "Whaddya want, Terrorsaur?"

"I'm trying to usurp Megatron and take over the Predacons," you tell him. "And I thought perhaps the Insecticons would like to get on the ground floor of ..."

"Megatron hands you your aft whenever you try to fight him," the grasshopper translates with a grin. "You need our help. But we're mercenaries, Pred. What's in it for us?"

Well?

Offer pudding and foot-rubs?
Try to appeal to Kickback's sense of mischief?